<div class="center jumbotron">
  <h1>欢迎来到亲</h1>

  <h2>
    这是
    <a href="http://www.freefre.com:81/">亲</a>
    的首页.
  </h2>

  <%= link_to "立即注册!", signup_path, class: "btn btn-lg btn-primary" %>
</div>

<%= link_to image_tag("lDev.png", alt: "lDev logo"),
            'http://www.freefre.com:81/' %>
